Geoffrey A. Landis is a science-fiction writer and a scientist. He has won the Hugo and Nebula awards for science fiction. He is the author of the novel Mars Crossing and the story collection Impact Parameter (and Other Quantum Realities). He was the 2014 recipient Robert A. Heinlein Award "for outstanding published works in science fiction and technical writings that inspire the human exploration of space." As a scientist, he works for NASA on developing advanced technologies for spaceflight. He is a member of the Mars Exploration Rover science team, and worked with the NASA Institute for Advanced Concepts on designs for a wind-powered Venus rover.